Powertrain
generic / SAE
P0324
Knock/Combustion Vibration Control System Error
The knock-control subsystem reports an internal error — typically a self-test fault or a noise floor that cannot be calibrated. The system protects against detonation by retarding ignition; with this fault knock control is disabled.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 24
Possible causes
- Internal knock-control fault high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–4 h
- Component: knock sensor
- Component: powertrain control module
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012